A nuclear medicine technologist received a whole body dose of approximately 0.113 Sv (11.3 rem) over the third quarter of 2022. The last seven years of dosimetry for this employee consistently show total annual occupational exposures at or near 10% of the annual limits. Employee’s job duties did not change during the reported period. Inspectors conducted a reactionary inspection on January 9, 2023. No additional information to support the licensee's claims that the exposure was not valid was obtained during the inspection or through additional documentation provided to the State. Contamination seems unlikely as the dosimeters are screened for gamma radiation upon intake. The processor believes the badges were exposed to angular, shielded, or collimated radiation. Re-analysis supported the exposure reports. The licensee was cited for failing to report timely, failing to limit occupational doses to 0.05 Sv (5 rem), failing to restrict the employee's additional occupational exposures for the remainder of the year, and failure of the Radiation Safety Officer to initiate timely investigation. The dose to the nuclear medicine technologist exceeded the U.S. regulatory limit for the annual whole body dose of 0.05 Sv (5 rem). EN56300
Location: Waukegan, IL / Vista Medical Center East Event date: Fri, 30-09-2022
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